A former Iowa State University scientist who altered blood samples to make it appear he had achieved a breakthrough toward a potential vaccine against HIV has been sentenced to more than 4 ½ years in prison…

DES MOINES, Iowa -- An AIDS research team at Iowa State University will not get the final $1.38 million payment of a National Institutes of Health five-year grant after a team member admitted last year to…

DES MOINES, Iowa -- A former Iowa State University scientist pleaded not guilty Tuesday to charges alleging that he falsified research for an AIDS vaccine to secure millions of dollars in federal funding. Dong-Pyou Han, 57,…

IOWA CITY, Iowa -- Responding to a major case of research misconduct, federal prosecutors have taken the rare step of filing charges against a scientist after he admitted falsifying data that led to millions in grants…